Efficient shallow air flotation machine

Abstract

The invention relates to the technical field of sewage treatment equipment, and discloses an efficient shallow air flotation machine which comprises an air flotation machine body, a scum cleaning assembly, a driving assembly, a collecting assembly and a positioning assembly. After a scraper blade finishes cleaning, a jacking block of an adjusting roller can jack a bulge to drive a cleaning frame to move upwards, so that collected scum is separated from a liquid level, and in the upward moving process of the cleaning frame, a rolling ball slides on a slope of a guide seat, so that the cleaning frame moves towards one side of a collection box, a swing arm is in extrusion contact with a fixed rod, a turnover plate is driven to rotate to open a cavity, and automatic discharging is realized; the operation is convenient; when the cleaning frame moves upwards to unload materials, fan blades in the collecting assembly can be lifted and inserted into the liquid, the driving gear moves upwards to the position above the positioning rack, and when the cleaning frame resets, the driving gear and the positioning rack rotate in a meshed mode, the fan blades are driven by the synchronous belt to rotate, the liquid slides towards the center, newly generated scum is collected towards the center, and follow-up cleaning is facilitated; and the cleaning effect is better.

Description

Technical Field

[0001] The invention belongs to the technical field of sewage treatment equipment, and in particular relates to a high-efficiency shallow-layer air flotation machine. Background Art

[0002] In the sewage treatment process, flotation machine is one of the commonly used equipment. Its main function is to inject bubbles into the sewage so that the suspended particles in the sewage adhere to the bubbles and float to the water surface with the bubbles to form a scum layer, thereby achieving solid-liquid separation.

[0003] However, existing shallow flotation machines have many problems in actual operation. For example, the cleaning and unloading of scum is generally driven by a combination of multiple drive sources, which will increase the cost of the equipment and reduce reliability. There is also a lack of effective automatic mechanism for the collection of newly generated scum. Therefore, during the process of resetting the scraper, the scum will be pushed to the side wall of the shell of the flotation machine body, increasing the difficulty of subsequent cleaning and affecting the continuity and efficiency of the entire sewage treatment process.

[0004] In view of this, the present invention is proposed. Summary of the invention

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0006] A high-efficiency shallow-layer air flotation machine comprises an air flotation machine body.

[0007] A fixing rod is installed on the back of the air flotation machine body;

[0008] The air flotation machine body is provided with a scum cleaning assembly, which includes a pair of staggered scrapers with inclined upper surfaces, a cleaning frame is provided on the back of the scrapers, the side wall of the cleaning frame corresponds to a guide seat with a slope on the air flotation machine body, a flip plate is provided on the cleaning frame, a swing arm is provided at the rotation center of the flip plate, and the fixing rod is used to squeeze with the swing arm to drive the flip plate to flip;

[0009] The air flotation machine body is also equipped with a driving assembly, which includes an adjusting roller for driving the scum cleaning assembly to slide, a lifting block is installed at the center of the adjusting roller, and a telescopic assembly is installed on the cleaning frame, and the telescopic assembly is slidably connected to the upper surface of the adjusting roller. After the telescopic assembly follows the scum cleaning assembly to slide to the lifting block, the lifting scum cleaning assembly moves upward to discharge the cleaned scum;

[0010] The side wall of the cleaning frame is equipped with a collecting assembly, which includes a fan blade and a driving gear connected by a synchronous belt and a fixedly connected positioning rack, and the teeth of the positioning rack are located above the driving gear;

[0011] A positioning assembly is installed on the telescopic assembly, and the positioning assembly positions the cleaning rack after unloading, and pushes the driving gear and the positioning rack to engage during the resetting process to complete the scum collection operation.

[0012] As a preferred embodiment of the present invention, a base is installed at the bottom of the flotation machine body, a rib is installed on the base, the other end of the rib is installed and connected to the side wall of the flotation machine body, a water outlet pipe is installed on the side wall of the flotation machine body, an air inlet pipe is installed on the other end side wall of the flotation machine body, a collection box is installed on the back of the flotation machine body, a fence is installed on the collection box, and a fixing rod is installed on the fence.

[0013] As a preferred embodiment of the present invention, positioning frames are installed on the side walls at both ends of the flotation machine body, and reinforcing ribs are installed at the bending parts of the positioning frames. A positioning platform is installed on one side of the positioning frame, and a driving motor is installed on the positioning platform. The output shaft of the driving motor and the rotation center of the adjusting roller are connected to each other. A positioning seat is installed on the other side of the positioning frame, and the positioning seat and the rotation center of the adjusting roller are connected to each other.

[0014] As a preferred embodiment of the present invention, a combination groove is provided on the adjusting roller, and the combination groove is composed of a pair of spiral grooves and lifting grooves alternately combined, the central angle corresponding to the lifting groove and the central angle corresponding to the lifting block correspond to each other, a slider is slidably installed at the bottom of the combination groove, a guide rod is movably installed on the slider, a fixed seat is installed on the side wall of the guide rod, the fixed seat and the side wall of the flotation machine body are connected to each other, and the bottom of the slider and the output end of the telescopic assembly are connected to each other.

[0015] As a preferred embodiment of the present invention, the telescopic assembly includes a sleeve, a push rod is movably inserted inside the sleeve, the top of the push rod and the bottom of the slider are connected to each other, a limit rod is movably installed on the sleeve, limit seats are installed at both ends of the limit rod, the limit seat is installed on the cleaning frame, a limit spring is installed on the limit rod, one end of the limit spring is clamped on the limit seat, and the other end is clamped on the side wall of the sleeve.

[0016] As a preferred embodiment of the present invention, a synchronous bracket is installed on the side wall of the sleeve, a synchronous plate is installed on the top of the synchronous bracket, a protrusion is installed on the bottom of the synchronous plate, the bottom of the protrusion is rounded, and the protrusion is slidably connected to the adjusting roller.

[0017] As a preferred embodiment of the present invention, a plane is installed on the guide seat, the end of the plane is connected to the slope, and the side walls of the plane and the slope are rounded. An extrusion rod is installed on the side wall of the cleaning frame, and a ball is installed at the end of the extrusion rod. The ball is slidably connected to the plane.

[0018] As a preferred embodiment of the present invention, a side plate is installed at one end of the cleaning frame, a clamping shaft is installed at the rotation center of the flip plate, a clamping seat is installed on the clamping shaft, the clamping seat is installed on the side wall of the cleaning frame, a clamping spring is sleeved on the clamping shaft, one end of the clamping spring is clamped on the clamping seat, and the other end of the clamping spring is clamped on the flip plate, and the clamping shaft and the swing arm are connected to each other.

[0019] As a preferred embodiment of the present invention, the positioning assembly includes a fixed frame, a connecting plate is installed in the center of the fixed frame, a mounting plate is welded on the connecting plate, and the mounting plate is installed on the guide seat, a circular groove is opened on the fixed frame, a vertical plate is installed on the fixed frame, and the vertical plate passes through the circular groove, a mounting groove is opened on the circular groove at the top corner of the fixed frame near the center, a baffle is rotatably installed on the mounting groove, a sliding rod is slidably installed on the circular groove, the sliding rod and the synchronous bracket are connected to each other, an L-shaped frame is installed on the fixed frame, and the L-shaped frame and the positioning rack are connected to each other.

[0020] As a preferred embodiment of the present invention, a rotating shaft is installed on the fan blade, and the bottom position of the fan blade is lower than the bottom position of the cleaning frame, the rotating shaft and one end of the synchronous belt are meshed with each other, and a connecting frame is installed on the rotation center of the rotating shaft and the driving gear, the connecting frame is installed on the side wall of the synchronous bracket, and the driving gear is located below the positioning rack.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The present invention drives the scum cleaning assembly to slide toward the center through the adjusting roller in the driving assembly, and the scraper slides along a specific height below the liquid surface, which can effectively collect the scum on the surface of the liquid surface, and the scrapers on both sides can be plugged into each other to form a chamber to collect the scum, and the cleaning effect is good; and after the scraper is cleaned, the lifting block on the adjusting roller can lift the protrusion to drive the cleaning frame to move up, so that the collected scum is separated from the liquid surface, and during the upward movement of the cleaning frame, the rolling ball slides on the slope of the guide seat, so that the cleaning frame moves to one side of the collecting box, the swing arm is squeezed and contacted with the fixed rod, and the flip plate is driven to rotate to open the chamber, so that automatic unloading is realized, and the operation is convenient; and when the cleaning frame moves up to unload, the fan blades in the collecting assembly will be lifted and inserted into the liquid, the driving gear moves up to above the positioning rack, and when resetting, the driving gear is meshed and rotated with the positioning rack, and the fan blades are driven to rotate through the synchronous belt, so that the liquid slides toward the center, so that the newly generated scum is collected toward the center, which is convenient for subsequent cleaning and has a better cleaning effect.

[0023] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In the attached picture:

[0025] Figure 1It is a three-dimensional structural schematic diagram of a high-efficiency shallow air flotation machine;

[0026] Figure 2 The overall structure of a high-efficiency shallow air flotation machine Figure 1 ;

[0027] Figure 3 The overall structure of a high-efficiency shallow air flotation machine Figure 2 ;

[0028] Figure 4 It is a high-efficiency shallow air flotation machine. Figure 3 Enlarged view of point A in the middle;

[0029] Figure 5 A top view of an adjusting roller of a high-efficiency shallow air flotation machine;

[0030] Figure 6 A schematic diagram of the local structure of a high-efficiency shallow air flotation machine Figure 1 ;

[0031] Figure 7 A schematic diagram of the local structure of a high-efficiency shallow air flotation machine Figure 2 ;

[0032] Figure 8 It is a high-efficiency shallow air flotation machine. Figure 7 Enlarged view of point B in the middle;

[0033] Fig. 9 It is a high-efficiency shallow air flotation machine. Figure 7 Enlarged view of point C in the middle;

[0034] Fig.10 It is a high-efficiency shallow air flotation machine. Figure 7 Lateral plan view;

[0035] Fig.11 A schematic diagram of the local structure of a high-efficiency shallow air flotation machine Figure 3 ;

[0036] Fig.12 It is a high-efficiency shallow air flotation machine. Fig.11 Enlarged view of point D in the middle.

[0037] In the figure:

[0038] 1. Air flotation machine body; 11. Base; 111. Rib plate; 12. Water outlet pipe; 13. Air inlet pipe; 14. Positioning frame; 141. Reinforcement rib; 142. Positioning seat; 143. Positioning platform; 15. Collection box; 151. Enclosure; 152. Fixing rod;

[0039] 2. Adjusting roller; 21. Driving motor; 22. Combination groove; 221. Spiral groove; 222. Lifting groove; 23. Sliding block; 231. Guide rod; 232. Fixed seat; 24. Sleeve; 241. Push rod; 242. Limit rod; 243. Limit spring; 244. Limit seat; 25. Synchronous bracket; 251. Synchronous plate; 252. Protrusion; 253. Lifting block;

[0040] 3. Cleaning rack; 31. Scraper; 32. Side plate; 33. Turning plate; 331. Swing arm; 332. Clamping shaft; 333. Clamping spring; 334. Clamping seat; 34. Guide seat; 341. Plane; 342. Slope; 343. Extrusion rod; 344. Rolling ball;

[0041] 4. Fixed frame; 41. Connecting plate; 411. Mounting plate; 42. Round groove; 421. Vertical plate; 422. Sliding rod; 43. Baffle; 431. Mounting groove;

[0042] 5. Connecting frame; 51. Rotating shaft; 511. Fan blades; 52. Synchronous belt; 521. Driving gear; 522. Positioning rack; 523. L-shaped frame. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0044] Embodiment 1:

[0045] like Figures 1 to 12 As shown, a high-efficiency shallow-layer air flotation machine comprises an air flotation machine body 1.

[0046] A fixing rod 152 is installed on the back of the air flotation machine body 1;

[0047] A scum cleaning assembly is installed on the air flotation machine body 1, and the scum cleaning assembly includes a pair of staggered scrapers 31 with inclined upper surfaces, a cleaning frame 3 is installed on the back of the scrapers 31, and the side wall of the cleaning frame 3 corresponds to a guide seat 34 with a slope 342 on the air flotation machine body 1, and a flip plate 33 is installed on the cleaning frame 3, and a swing arm 331 is installed at the rotation center of the flip plate 33, and the fixed rod 152 is used to squeeze and drive the flip plate 33 to flip with the swing arm 331;

[0048] The air flotation machine body 1 is also equipped with a driving assembly, which includes an adjusting roller 2 for driving the scum cleaning assembly to slide, a lifting block 253 is installed at the center of the adjusting roller 2, and a telescopic assembly is installed on the cleaning frame 3. The telescopic assembly is slidably connected to the upper surface of the adjusting roller 2. After the telescopic assembly follows the scum cleaning assembly to slide to the lifting block 253, the lifting scum cleaning assembly moves upward to discharge the cleaned scum;

[0049] A collecting assembly is installed on the side wall of the cleaning frame 3, and the collecting assembly includes a fan blade 511 and a driving gear 521 connected by a synchronous belt 52 and a fixedly connected positioning rack 522, and the teeth of the positioning rack 522 are located above the driving gear 521;

[0050] A positioning assembly is installed on the telescopic assembly, and the positioning assembly positions the cleaning rack 3 after unloading, and pushes the driving gear 521 and the positioning rack 522 to engage during the resetting process, thereby completing the scum collection operation.

[0051] like Figures 1 to 12 As shown, in a specific embodiment, a base 11 is installed at the bottom of the flotation machine body 1, a rib 111 is installed on the base 11, the other end of the rib 111 is installed and connected to the side wall of the flotation machine body 1, and the rib 111 makes the connection between the flotation machine body 1 and the base 11 tighter, a water outlet pipe 12 is installed on the side wall of the flotation machine body 1, an air inlet pipe 13 is installed on the other end of the side wall of the flotation machine body 1, a collecting box 15 is installed on the back of the flotation machine body 1, a fence 151 is installed on the collecting box 15, and a fixing rod 152 is installed on the fence 151, and the collecting box 15 is convenient for collecting the scum after unloading.

[0052] like Figures 1 to 12 As shown, further, positioning frames 14 are installed on the side walls at both ends of the flotation machine body 1, and reinforcing ribs 141 are installed at the bending parts of the positioning frames 14. A positioning platform 143 is installed on one side of the positioning frames 14, and a driving motor 21 is installed on the positioning platform 143. The output shaft of the driving motor 21 and the rotation center of the adjusting roller 2 are connected to each other. A positioning seat 142 is installed on the other side of the positioning frame 14, and the positioning seat 142 and the rotation center of the adjusting roller 2 are connected to each other. The above structure positions the positions of the driving motor 21 and the adjusting roller 2.

[0053] Embodiment 2:

[0054] The difference between Example 1 and this Example is that: Figures 1 to 12As shown, a combination groove 22 is provided on the adjusting roller 2. The combination groove 22 is composed of a pair of spiral grooves 221 and a lifting groove 222 alternately combined. The central angle corresponding to the lifting groove 222 corresponds to the central angle corresponding to the lifting block 253. A slider 23 is slidably installed at the bottom of the combination groove 22. A guide rod 231 is movably installed on the slider 23. A fixing seat 232 is installed on the side wall of the guide rod 231. The fixing seat 232 and the side wall of the air flotation machine body 1 are connected to each other. The bottom of the slider 23 and the output end of the telescopic component are connected to each other. The adjusting roller 2 is driven to rotate by the driving motor 21 at this time. The position of the combination groove 22 on the adjusting roller 2 can be changed. The slider 23 sliding in the combination groove 22 is driven to slide to the central lifting groove 222 by the guidance of the spiral groove 221 in the combination groove 22. In this process, the slider 23 slides along the guide rod 231, which mainly serves the purpose of guidance.

[0055] like Figures 1 to 12 As shown, in a specific embodiment, the telescopic assembly includes a sleeve 24, and a push rod 241 is movably inserted inside the sleeve 24, and the top of the push rod 241 and the bottom of the slider 23 are connected to each other. The above structure discloses the specific structure of the telescopic assembly. A limit rod 242 is movably installed on the sleeve 24, and a limit seat 244 is installed at both ends of the limit rod 242. The limit seat 244 is installed on the cleaning frame 3, and a limit spring 243 is installed on the limit rod 242. One end of the limit spring 243 is clamped on the limit seat 244, and the other end is clamped on the side wall of the sleeve 24. When the cleaning frame 3 slides, the limit seat 244 and the limit rod 242 on the cleaning frame 3 slide in the sleeve 24, and then the limit spring 243 at this time is also squeezed, and the limit spring 243 is convenient for the later reset operation. A synchronous bracket 25 is installed on the side wall of the sleeve 24, a synchronous plate 251 is installed on the top of the synchronous bracket 25, a protrusion 252 is installed on the bottom of the synchronous plate 251, the bottom of the protrusion 252 is rounded, and the protrusion 252 is slidably connected to the adjusting roller 2, wherein the protrusion 252 can slide on the surface of the adjusting roller 2, reducing friction.

[0056] like Figures 1 to 12 As shown, further, a plane 341 is installed on the guide seat 34, the end of the plane 341 is connected to the slope 342, and the side walls of the plane 341 and the slope 342 are rounded, and an extrusion rod 343 is installed on the side wall of the cleaning frame 3, and a ball 344 is installed at the end of the extrusion rod 343. The ball 344 and the plane 341 are slidably connected, and the ball 344 reduces the friction generated by the mutual sliding, so that it can better perform the sliding operation.

[0057] Embodiment 3:

[0058] The difference between Example 2 and this example is that: Figures 1 to 12As shown, a side plate 32 is mounted on one end of the cleaning rack 3, a clamping shaft 332 is mounted at the rotation center of the flip plate 33, a clamping seat 334 is mounted on the clamping shaft 332, the clamping seat 334 is mounted on the side wall of the cleaning rack 3, a clamping spring 333 is sleeved on the clamping shaft 332, one end of the clamping spring 333 is clamped on the clamping seat 334, and the other end of the clamping spring 333 is clamped on the flip plate 33, and the clamping shaft 332 and the swing arm 331 are connected to each other. When the flip plate 33 of the cleaning rack 3 slides to the top of the collecting box 15, the swing arm 331 and the fixedly mounted fixed rod 152 are pressed and contacted, the swing arm 331 is pressed and rotated, and the clamping shaft 332 on the swing arm 331 drives the flip plate 33 to rotate, thereby opening a pair of chambers formed by the cleaning rack 3, the side plate 32 and the flip plate 33, and at this time, a part of the liquid and scum can slide downward along the inclined surface on the scraper 31, thereby achieving the purpose of automatic unloading.

[0059] like Figures 1 to 12As shown, in a specific embodiment, the positioning assembly includes a fixed frame 4, a connecting plate 41 is installed at the center of the fixed frame 4, a mounting plate 411 is welded on the connecting plate 41, and the mounting plate 411 is installed on the guide seat 34, a circular groove 42 is opened on the fixed frame 4, a vertical plate 421 is installed on the fixed frame 4, and the vertical plate 421 passes through the circular groove 42, a mounting groove 431 is opened on the circular groove 42 at the top corner near the center of the fixed frame 4, a baffle 43 is rotatably installed on the mounting groove 431, a slide rod 422 is slidably installed on the circular groove 42, the slide rod 422 and the synchronous bracket 25 are connected to each other, an L-shaped frame 523 is installed on the fixed frame 4, and the L-shaped frame 523 and the positioning rack 522 are connected to each other. A rotating shaft 51 is installed on the fan blade 511, and the bottom position of the fan blade 511 is lower than the bottom position of the cleaning frame 3. The rotating shaft 51 and one end of the synchronous belt 52 are meshed with each other. A connecting frame 5 is installed on the rotation center of the rotating shaft 51 and the driving gear 521. The connecting frame 5 is installed on the side wall of the synchronous bracket 25, and the driving gear 521 is located below the positioning rack 522. The above-mentioned cleaning frame 3 slides horizontally and then moves upward. At this time, the sliding bar 422 on the synchronous bracket 25 of the side wall of the sleeve 24 first slides horizontally along the circular groove 42, and then the sliding bar 422 moves vertically along the end of the circular groove 42, and finally the sliding bar 422 squeezes the baffle 43. At this time, the baffle 43 flips over, and when the sliding bar 422 is completely separated from the baffle 43, the baffle 43 is automatically reset by gravity and is clamped in the installation groove 431. Therefore, the sliding bar 422 is overlapped on the baffle 43 at this time, and slides on the circular groove 42 at this time, and then the unloading is completed at this time and the cleaning frame 3 is driven to be positioned. When resetting in the later stage, the cleaning rack 3 can only slide to both sides along the highest point of the circular groove 42. In this process, the driving gear 521 that has moved up will slide onto the positioning rack 522, and then the driving gear 521 will rotate synchronously. The driving gear 521 drives the rotating shaft 51 to rotate in the same direction through the synchronous belt 52, and then the rotating shaft 51 can drive the fan blades 511 to rotate. During the rotation of the fan blades 511, the fan blades 511 slide the liquid toward the center, so that the newly generated scum in the liquid can be gathered toward the center, which is convenient for further cleaning in the later stage. When the driving gear 521 and the positioning rack 522 are separated, the cleaning rack 3 moves to the side of the circular groove 42 and resets along the vertical groove, finally achieving the purpose of restoring the initial state.

[0060] The implementation principle of a high-efficiency shallow air flotation machine of the present invention is as follows:

[0061] During the normal operation of the air flotation machine body 1, the liquid impurities in the air flotation machine body 1 float to the water surface due to the buoyancy of the bubbles, forming a scum layer floating on the surface. The air flotation machine body 1 is a prior art, and its working principle is not described here.

[0062] When the scum layer needs to be cleaned, the operator can first start the drive motor 21, and the drive motor 21 drives the adjusting roller 2 to rotate at this time. The position of the combined groove 22 on the adjusting roller 2 can change. Through the guidance of the spiral groove 221 in the combined groove 22, the slider 23 sliding in it is driven to slide to the central lifting groove 222. In this process, the slider 23 slides along the guide rod 231, which mainly serves the purpose of guidance.

[0063] During the sliding process of the slider 23, the slider 23 can drive the entire cleaning rack 3 to slide toward the center through the telescopic assembly, and the scraper 31 on the cleaning rack 3 can slide toward the center, and the scraper 31 slides along the height of 1 cm below the liquid surface at this time, so as to collect the scum on the surface of the liquid surface, and finally the scrapers 31 on both sides are plugged into each other, and the scrapers 31 are plugged into the staggered gaps. At this time, a pair of cleaning racks 3, side plates 32 and flip plates 33 form a chamber, and the scum and part of the liquid fall into the cavity. In this process, the slider 23 just slides onto the spiral groove 221.

[0064] When the adjusting roller 2 continues to slide, the lifting block 253 of the adjusting roller 2 starts to rotate upward, and the lifting block 253 can lift the protrusion 252 to move upward. The protrusion 252 drives the synchronous plate 251 and the synchronous bracket 25 to move upward. At this time, the synchronous bracket 25 drives the cleaning frame 3 to move upward through the sleeve 24. Finally, the collected scum moves upward and can be separated from the liquid surface.

[0065] During this process, the cleaning frame 3 moves vertically upward, and the extrusion rod 343 on the side wall of the cleaning frame 3 drives the rolling ball 344 to slide on the plane 341 of the guide seat 34. In this stage, the bottom of the scraper 31 is finally separated from the liquid in the flotation machine body 1, so that the scraper 31 moves above the flotation machine body 1. At the same time, the squeezing rod 343 and the rolling ball 344 on the cleaning frame 3 slide on the plane 341 of the guide seat 34. When the scraper 31 is completely separated from the flotation machine body 1, the rolling ball 344 will slide onto the slope 342, and then the entire cleaning frame 3 moves toward the side of the collecting box 15. When the flip plate 33 of the cleaning frame 3 slides above the collecting box 15, the swing arm 331 and the fixedly installed fixed rod 152 are squeezed and contacted, and the swing arm 331 is squeezed and rotated, and the clamping shaft 332 on the swing arm 331 drives the flip plate 33 to rotate, thereby opening a chamber formed by a pair of cleaning frames 3, side plates 32 and flip plates 33. At this time, a part of the liquid and scum can slide downward along the inclined surface on the scraper 31, thereby achieving the purpose of automatic unloading.

[0066] When the cleaning rack 3 moves up to the unloading position, the connecting rack 5 moves up synchronously, and the fan blade 511 at the bottom connected to the rotating shaft 51 on the connecting rack 5 is lifted, and a part of the fan blade 511 is inserted into the liquid. At this time, the driving gear 521 on the connecting rack 5 moves up synchronously, so that the driving gear 521 slides above the positioning rack 522.

[0067] When the cleaning rack 3 slides, the limiting seat 244 and the limiting rod 242 on the cleaning rack 3 slide in the sleeve 24, thereby also squeezing the limiting spring 243 at this time, and the limiting spring 243 facilitates the subsequent resetting operation.

[0068] During the process of the cleaning rack 3 sliding horizontally and then moving upward, the slide bar 422 on the synchronous bracket 25 of the side wall of the sleeve 24 first slides horizontally along the circular groove 42, and then the slide bar 422 moves vertically along the end of the circular groove 42, and finally the slide bar 422 squeezes the baffle 43, and the baffle 43 flips over, and when the slide bar 422 is completely separated from the baffle 43, the baffle 43 is automatically reset by gravity and is clamped in the installation groove 431, so the slide bar 422 is overlapped above the baffle 43 and slides on the circular groove 42 at this time, and then the unloading is completed at this time and the cleaning rack 3 is driven to be positioned.

[0069] When resetting in the later stage, the cleaning rack 3 can only slide to both sides along the highest point of the circular groove 42. In this process, the driving gear 521 that has moved up will slide onto the positioning rack 522, and then the driving gear 521 will rotate synchronously. The driving gear 521 drives the rotating shaft 51 to rotate in the same direction through the synchronous belt 52, and then the rotating shaft 51 can drive the fan blades 511 to rotate. During the rotation of the fan blades 511, the fan blades 511 slide the liquid toward the center, so that the newly generated scum in the liquid can be gathered toward the center, which is convenient for further cleaning in the later stage. When the driving gear 521 and the positioning rack 522 are separated, the cleaning rack 3 moves to the side of the circular groove 42 and resets along the vertical groove, finally achieving the purpose of restoring the initial state.

Claims

1. A high-efficiency shallow-layer air flotation machine, comprising an air flotation machine body (1), characterized in that: A fixing rod (152) is installed on the back of the air flotation machine body (1); A scum cleaning assembly is installed on the air flotation machine body (1), and the scum cleaning assembly comprises a pair of scrapers (31) which are staggered and have an inclined upper surface. A cleaning frame (3) is installed on the back of the scrapers (31). The side wall of the cleaning frame (3) corresponds to a guide seat (34) provided with a slope (342) on the air flotation machine body (1). A flip plate (33) is installed on the cleaning frame (3). A swing arm (331) is installed at the rotation center of the flip plate (33). The fixing rod (152) is used to squeeze and drive the flip plate (33) to flip with the swing arm (331). The air flotation machine body (1) is also equipped with a driving assembly, which includes an adjusting roller (2) for driving the scum cleaning assembly to slide, a lifting block (253) is installed at the center of the adjusting roller (2), and a telescopic assembly is installed on the cleaning frame (3), the telescopic assembly is slidably connected to the upper surface of the adjusting roller (2), and after the telescopic assembly follows the scum cleaning assembly to slide to the lifting block (253), the lifting scum cleaning assembly moves upward to discharge the cleaned scum; A collecting assembly is installed on the side wall of the cleaning frame (3), and the collecting assembly includes a fan blade (511) and a driving gear (521) connected by a synchronous belt (52) and a fixedly connected positioning rack (522), and the teeth of the positioning rack (522) are located above the driving gear (521); A positioning assembly is installed on the telescopic assembly, and the positioning assembly positions the cleaning rack (3) after unloading, and pushes the driving gear (521) and the positioning rack (522) to engage during the resetting process, thereby completing the scum collection operation.

2. A high-efficiency shallow air flotation machine according to claim 1, characterized in that: A base (11) is installed at the bottom of the air flotation machine body (1), a rib plate (111) is installed on the base (11), the other end of the rib plate (111) is installed and connected to the side wall of the air flotation machine body (1), a water outlet pipe (12) is installed on the side wall of the air flotation machine body (1), an air inlet pipe (13) is installed on the other end of the side wall of the air flotation machine body (1), a collection box (15) is installed on the back of the air flotation machine body (1), a fence (151) is installed on the collection box (15), and a fixing rod (152) is installed on the fence (151).

3. A high-efficiency shallow air flotation machine according to claim 1, characterized in that: The side walls at both ends of the air flotation machine body (1) are both provided with positioning frames (14), and reinforcing ribs (141) are provided at the bending parts of the positioning frames (14). A positioning platform (143) is provided on one side of the positioning frame (14), and a driving motor (21) is provided on the positioning platform (143). The output shaft of the driving motor (21) and the rotation center of the adjusting roller (2) are connected to each other. A positioning seat (142) is provided on the other side of the positioning frame (14), and the positioning seat (142) and the rotation center of the adjusting roller (2) are connected to each other.

4. A high-efficiency shallow air flotation machine according to claim 1, characterized in that: The adjusting roller (2) is provided with a combination groove (22), the combination groove (22) is composed of a pair of spiral grooves (221) and a lifting groove (222) alternately combined, the central angle corresponding to the lifting groove (222) and the central angle corresponding to the lifting block (253) correspond to each other, a slider (23) is slidably installed at the bottom of the combination groove (22), a guide rod (231) is movably installed on the slider (23), a fixed seat (232) is installed on the side wall of the guide rod (231), the fixed seat (232) and the side wall of the air flotation machine body (1) are connected to each other, and the bottom of the slider (23) and the output end of the telescopic component are connected to each other.

5. A high-efficiency shallow air flotation machine according to claim 4, characterized in that: The telescopic assembly comprises a sleeve (24), a push rod (241) is movably inserted inside the sleeve (24), the top of the push rod (241) and the bottom of the slider (23) are connected to each other, a limit rod (242) is movably installed on the sleeve (24), both ends of the limit rod (242) are installed with limit seats (244), the limit seats (244) are installed on the cleaning frame (3), a limit spring (243) is installed on the limit rod (242), one end of the limit spring (243) is clamped on the limit seat (244), and the other end is clamped on the side wall of the sleeve (24).

6. A high-efficiency shallow air flotation machine according to claim 5, characterized in that: A synchronous bracket (25) is installed on the side wall of the sleeve (24), a synchronous plate (251) is installed on the top of the synchronous bracket (25), a protrusion (252) is installed on the bottom of the synchronous plate (251), the bottom of the protrusion (252) is rounded, and the protrusion (252) is slidably connected to the adjusting roller (2).

7. The high-efficiency shallow air flotation machine according to claim 1, characterized in that: A plane (341) is installed on the guide seat (34), the end of the plane (341) is connected to the slope (342), and the side walls of the plane (341) and the slope (342) are rounded. An extrusion rod (343) is installed on the side wall of the cleaning frame (3), and a rolling ball (344) is installed at the end of the extrusion rod (343). The rolling ball (344) and the plane (341) are slidably connected.

8. The high-efficiency shallow air flotation machine according to claim 1, characterized in that: A side plate (32) is installed at one end of the cleaning frame (3); a clamping shaft (332) is installed at the rotation center of the flip plate (33); a clamping seat (334) is installed on the clamping shaft (332); the clamping seat (334) is installed on the side wall of the cleaning frame (3); a clamping spring (333) is sleeved on the clamping shaft (332); one end of the clamping spring (333) is clamped on the clamping seat (334); the other end of the clamping spring (333) is clamped on the flip plate (33); the clamping shaft (332) and the swing arm (331) are connected to each other.

9. The high-efficiency shallow air flotation machine according to claim 1, characterized in that: The positioning assembly comprises a fixing frame (4), a connecting plate (41) is installed at the center of the fixing frame (4), a mounting plate (411) is welded on the connecting plate (41), and the mounting plate (411) is installed on the guide seat (34), a return groove (42) is provided on the fixing frame (4), a vertical plate (421) is installed on the fixing frame (4), and the vertical plate (421) passes through the return groove (42), a mounting groove (431) is provided on the return groove (42) at the top corner near the center of the fixing frame (4), a baffle (43) is rotatably installed on the mounting groove (431), a sliding rod (422) is slidably installed on the return groove (42), the sliding rod (422) and the synchronous bracket (25) are connected to each other, and an L-shaped frame (523) is installed on the fixing frame (4), and the L-shaped frame (523) and the positioning rack (522) are connected to each other.

10. The high-efficiency shallow air flotation machine according to claim 1, characterized in that: A rotating shaft (51) is mounted on the fan blade (511), and the bottom position of the fan blade (511) is lower than the bottom position of the cleaning frame (3). The rotating shaft (51) and one end of the synchronous belt (52) are meshed with each other. A connecting frame (5) is mounted on the rotation center of the rotating shaft (51) and the driving gear (521). The connecting frame (5) is mounted on the side wall of the synchronous bracket (25), and the driving gear (521) is located below the positioning rack (522).

Images